$uri = "http://localhost:8888/api/data"
$headers = @{
    "Content-Type" = "application/json"
}
$body = @{
    "name" = "John"
    "age" = 30
} | ConvertTo-Json

$response = Invoke-RestMethod -Uri $uri -Method Post -Headers $headers -Body $body
$response | ConvertTo-Json
